/Engine/Source/Editor/EditorFramework/Public/Viewports/InViewportUIDragOperation.h
A Sample implementation of IDragDropOperation
class FInViewportUIDragOperation : public [FDragDropOperation](API\Runtime\SlateCore\Input\FDragDropOperation)
TSharedPtr< SDo...
CursorDecoratorStackNode
Decorator widget where we add temp doc tabs to
FVector2D
DecoratorOffsetFromCursor
Where the user grabbed the UI measured in screen space from its top-left corner
FOnInViewportUI...
DropDelegate
FVector2D
LastContentSize
What the size of the content was when it was last shown.
TSharedPtr< cla...
UIBeingDragged
What is actually being dragged in this operation